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Regardless of whether Chen Yu agrees to include Keiko's father in the range of regenerative medicine treatment, he must first review Keiko's father's medical records and examine his current condition before he can determine whether he can cure him.
However, for Chen Yu, if Keiko's father is merely in a comatose state due to brain injury and unable to wake up, Chen Yu has many methods to awaken him, and even during the subsequent recovery stage, Chen Yu can enable him to recover to a state where he can function like a normal person within a short period.
It's just that if Keiko's father's soul is no longer in his body, that would be a very troublesome matter for Chen Yu.
